Serving as a partner to nonprofit organizations in their quest to make positive social impact fuels my passion for working in philanthropy. At CCS, we have the special opportunity to work with incredible organizations that make the world a better place, both within local communities and on a global scale.

A profile picture of Mary DeLay.

Mary is a mission-driven professional who brings a care for relationship building to each of her client engagements. Since joining the firm in 2018, she has led a portfolio of custom development projects, as well as strategic assessments, feasibility and planning studies, and major fundraising campaigns. Her counsel has furthered the efforts of organizations in diverse sectors, including higher education, human and social services, health, and advocacy.

Mary brings expertise in major gift strategy, board and leadership engagement, and development staff training and coaching.

A native Texan, Mary earned a Bachelor of Arts in Communication and Sociology from Texas A&M University. She is an avid international traveler and enjoys exploring the world with her husband.

select client partners

  • Complete College America
  • Extreme Response International
  • Grand Valley State University
  • Howard Brown Health
  • Ingalls Development Foundation (UChicago Medicine)
  • Nourishing Hope (formerly Lakeview Pantry)
  • Xavier University of Louisiana


155 North Wacker
Suite 1790
Chicago, IL 60606

(312) 596-9300